SwitzerTM and Indfos were established in the Indian market for over 40 years and are well known for the pressure, differential pressure, temperature, flow switches and indicators in process industries and OEM. In 2014, WIKA expanded the footprint in India by acquiring these brands and their full range of products to cater to both domestic and global market. Extensive product range from low cost to high repeatability models with variety of features and specifications are offered to suit any kind of applications. All critical parts are manufactured inhouse through our self-contained facility at Chennai & Ghaziabad which establishes the quality and reliability of products to meet stringent requirements.
Pressure switches are provided with different sensing elements which are bellows, diaphragm and diaphragm sealed piston to suit various pressure ranges from -1000 mmWC to 700 bar. The instruments are provided with repeatability ranging from 0.5 to 2 % and switch on-off differential setting as fixed or wideband based on the applications. Different kind of sensing element material like phosphor bronze, stainless steel, hastelloy and monel are available to be used with general purpose or aggressive media. Differential pressure gauges with various configurations are available to meet different applications. Different sensing elements are used to provide ranges from 250 mmWC to 25 bar with maximum static presure of 60 bar. Optional 1 or 2 switch output facility is provided with microswitches or hermetically sealed reed switches. Electronic pressure and differential pressure indicating switches with transmitter output are offered with stainless steel piezo-resistive sensors. These are versatile instruments which contain 2 or 4 on-off control switch outputs, 4 to 20 mA current output, digital LCD to display pressure values with units and several other user friendly features combined together.
Temperature switches are offered with gas or vapour filled with both rigid stem or through flexible capillary system until 15 metres suitable for remote sensing of temperatures. Varied ranges from -50 to 300 °C and with repeatability of 0.5 to 1 % are offered which meets most of all process and OEM temperature measurements. Temperature sensing bulbs are provided as stainless steel or copper to suit any media.
Flow switches and indicators are produced in a state-of-the-art production facility with line sizes from 8 to 300 mm and with flow rate of 7000 LPM with water as media. This enables us to offer flow products from an accuracy of +/-1% to +/-3% and any kind of customized solutions based on customer needs with even special accessories. Flow products for oil flow applications are also produced with this facility for different oil viscosities.
All switch products uses reliable microswitches or contact elements with various ratings as low as 0.1A to 15A at 24V or 230V AC/DC. Some of the models are provided with tamper proof mechanism to ensure the switch setpoints are not disturbed by unauthorised users. Products are housed in aluminium enclosures which are compliant to weatherproof and explosion proof requirements. For critical environment sensitive applications, stainless steel housing are provided to suit weatherproof applications.
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